US Bridges

NM-584 over Rio Grande

Fair

Rio Arriba County, New Mexico · 0.45 MI West JCT NM-68 · Structure no. 000000000007623

Built
1977
48 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
483 ft
6 main spans
Daily traffic
17,171
2023 count
Owner
State
State Highway Agency

About this bridge

NM-584 over Rio Grande is a steel continuous stringer/multi-beam or girder carrying NM-584 over Rio Grande in Rio Arriba County, New Mexico. It was built in 1977, so it is 48 years old, younger than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 17,171 vehicles a day, roughly 5% of them trucks, projected to reach 23,352 by 2043. The structure is 483 ft (147.2 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNM-584
CrossesRio Grande
Location0.45 MI West JCT NM-68
RouteState Highway 584
CountyRio Arriba County
StateNew Mexico
Coordinates36.00816, -106.07241
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.1 US tons
Inventory rating41.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length483 ft (147.2 m)
Longest span87 ft (26.5 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,171 (2023)
Projected traffic23,352 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-584 over Rio Grande built?

It was built in 1977, making it 48 years old in 2025.

What condition is NM-584 over Rio Grande in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does NM-584 over Rio Grande carry?

About 17,171 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is NM-584 over Rio Grande?

The structure is 483 ft (147.2 m) long with a longest span of 87 ft (26.5 m) and a deck 51 ft wide.

Who owns NM-584 over Rio Grande?

It is owned by the State Highway Agency.